Nexus Treatment Center
Nexus Treatment Center
Contracted Treatment CenterMailing Address
[Resident Full Name] — [DOC ID if known]
Nexus Treatment Center
P.O. Box 1200, Lewistown, MT 59457
Nexus Treatment Center
P.O. Box 1200, Lewistown, MT 59457
Physical Address
P.O. Box 1200, Lewistown, MT 59457
Governing Agency
Montana Department of Corrections / Contract Provider
Inmate ID
DOC ID — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Montana DOC currently lists Nexus Treatment Center as an active contracted or community-corrections program. Confirm the resident's placement and current program mail rules before sending.
Source: Official sourceLast verified: September 27, 2026
Verify current photo size, quantity and content restrictions before sending photographs.
Source: Official sourceLast verified: September 27, 2026
Verify current book, publication and package rules before sending.
Source: Official sourceLast verified: September 27, 2026
Do not mail cash unless explicitly permitted. Use the facility's current approved inmate-account deposit method.
Source: Official sourceLast verified: September 27, 2026
Verify current visitor approval, identification and scheduling requirements before travel.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Montana DOC currently lists Nexus Treatment Center as an active contracted or community-corrections program. Confirm the resident's placement and current program mail rules before sending.
About Nexus Treatment Center
Nexus Treatment Center is listed by Montana DOC as a current contracted/community corrections program.